president obama came into debate ahead. with an estimated 60 million americans watching, moderator jim layrer asked can you put more people to work? romney would cut taxes and regulations on small business. >> my priority is jobs. so what i do is i bring down the tax rates. >> governor romney's proposal calls for a $5 trillion tax cut. the average middle class family with children would pay about $2,000 more. it is not possible to come up with enough deductions and loopholes that only affect individuals to avoid either raising the deficit or burdening the middle class. it's math. >> reporter: on medicare and social security,one agreement. >> neither the president nor are are i are proposing any changes. >> aarp has said that your plan would weaken medicare, substantially. >> romney fired back a a major debate moment that the president weakened the economy by his focus on health care. >> i don't know how the president could have come into office facing rising unploimt and spending energy and passion fighting for obama care.